Trinh , T. V.; Nguyen, S. A.; Pham, K. G.; Seidel, C.; Pham, A. H.; Phung, C. N. CHANGE IN MICROSTRUCTURE AND HARDNESS OF ADDITIVELY MANUFACTURED AISI H13 STEEL BY HEAT TREATMENT AND NITRIDING PROCESSES. Acta Metall Slovaca 2023, 29, 82-87.